Tunnel-kiln



G. El NORMAN.

TUNNEL KILN.

@Hoz ne Las r3, nur

Minimi being sureundec' e hefievf Open to the atmosphei'e ibhefoue; end the kiln, an :iiiD receiving 'and dieemg chamber abthe inlet end ai #ne kiln foi? receiving the ai? from the imiew easing, and cooling means disposed sie the bese of the structure adjecene the combustion ehember and for e distance hej/(m bhe enemnce and exit end thereof.

7. A luimei kiin including e Stmczue havig am ent'mnce end, am iniermeciiee ,heating and combus'nionpeftien Cooling and outlet end, eli efranged in iomgi- 'tudinai and conneced. felazion @ne 'with the other, the Weils and dome o' saif style ture being suirmuide Wi'yh e hollow cef@ open to the atmosphez'e ehe eutie e ceiviiie i edjuseabie means foi c0n"i-0ii ing ehe euppy of air theree.,

tmmei kiin eompising a longudinei smuctuie, the Wallis and dame which are provided with eigitudinei @if passage ie 'ui iengh "eheiee, open at the exit end. 'the stm uie, the neimediae poion ef @he siue-me being the eembustion chamber eceby :iii passing ffii-m i'zhe iev md he entrance end is heated in. "Lhe wale and dome thereof, and a. summiing die eniailee end imite which. ien@ 'udinei aii 'passages enter 'for Yee/ivr ing ehe iiaemed eign zes'imeny whereof wife, 

